private void serialDisconnectButton_Click(object sender, EventArgs e)
{
sensor.Disconnect();
sensor.Invalidate();
serialDisconnectButton.Enabled = false;
serialConnectButton.Enabled = true;
opend3dcube.Enabled = false;
configToolStripMenuItem.Enabled = false;
logDataToolstripItem.Enabled = false;
uploadToolStripMenuItem.Enabled = false;
magCalToolStripMenuItem.Enabled = false;
accCalToolStripMenuItem.Enabled = false;
gyroCalToolStripMenuItem.Enabled = false;
eKFsetToolStripMenuItem.Enabled = false;
configToolStripMenuItem1.Enabled = false;
getConfigurationToolStripMenuItem.Enabled = false;
calculateVarianceToolStripMenuItem.Enabled = false;
AppendStatusText("Disconnected from serial port\r\n", Color.Blue);
}